<template>
  <div class="hello">
  </div>
</template>

<script>
export default {
  name: "HelloWorld",
  props: {
    msg: String
  },
  data() {
    return {
    };
  },
   created() {},
   methods: {
     un(){
       alert("你点击了")
     }
   }

};
</script>

